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Calculați a (3,2-0,2) •1 * 2/3
b 5/4:(-15/8)
7/25 :(3/5)2*+ 2/6 :3/10

Răspuns :

Elyelyzask

Explicație pas cu pas:

a (3,2-0,2) •1 * 2/3 = 3 ×1 × 2/3 = 3 × 2/3 = 2

b 5/4:(-15/8) = - 5/4 × 8/15 = - 2/3

7/25 :(3/5)2 + 2/6 :3/10 = 7/25 × 5/3 × 2 + 2/6 × 10/3 = 14/15 + 10/9 = 42/45 + 50/45 = 92/45

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